P289D
Cylinder 4 Ion Current Sense Circuit Range/Performance
P289D is an OBD-II diagnostic trouble code meaning: Cylinder 4 Ion Current Sense Circuit Range/Performance. Common causes: open or short circuit in the ion current circuit, ion current sensor malfunction. Estimated repair cost: $17–89.
Symptoms
- Unstable engine operation
- Increased fuel consumption
- Check Engine Light Illuminates
- Reduced engine power
- Possible misfires
Causes
- Open or short circuit in the ion current circuit
- Ion current sensor malfunction
- Problems with the ignition coil
- Engine control unit malfunction
- Poor contact in circuit connectors
How to Fix
- Check the integrity of the ion current circuit wiring
- Check the condition of connectors and contacts
- Test the ion current sensor
- Check the ignition coil of the 4th cylinder
- If necessary, replace faulty components
Related codes
Error P289D by Vehicle Brand
FAQ
What does the P289D code mean?
P289D is an OBD-II diagnostic trouble code that indicates: Cylinder 4 Ion Current Sense Circuit Range/Performance
What causes a P289D error code?
The most common causes of P289D include: Open or short circuit in the ion current circuit; Ion current sensor malfunction; Problems with the ignition coil; Engine control unit malfunction.
How do I fix a P289D diagnostic trouble code?
To fix P289D: Check the integrity of the ion current circuit wiring. Check the condition of connectors and contacts. Test the ion current sensor. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P289D?
Yes, but get it checked soon
How much does it cost to fix P289D?
The estimated repair cost for P289D is $17–89. Actual cost depends on your vehicle, location, and labor rates.
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